Fifth wheel (disambiguation)
# Fifth wheel (disambiguation)

A fifth wheel is a coupling that provides a link between the trailer and a truck (or a tractor unit).

Fifth wheel may also refer to:

* Fifth-wheel trailer, a type of travel trailer that is a variant of the tractor-trailer version
* Fifth wheel (Brooks Walker), an invention designed to aid parking cars
* Fifth Wheel Truck Stops, a truck stop chain across Southern Ontario, Canada
* The 5th Wheel, an American reality dating show
* The Fifth Wheel (film), a 2013 comedy-drama film
* "Fifth Wheel", a song by Avail from their 1998 album Over the James
* An idiom meaning "an extra and unnecessary person or thing"
